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    <title>11.14.JS对象-内置对象-数组转换字符串</title>
    <script>
        // 数组转换字符串
        // 1.toString() 将数组转换为字符串
        var arr = [1, 2, 3]
        console.log(arr.toString(arr));

        // 2.join(分隔符)
        var arr1 = ['green', 'blue', 'pink'];
        console.log(arr.join()); // 不填就是初始，分割
        console.log(arr.join('-')); // 用-来分隔
        console.log(arr.join('&')); // 用&来分隔
    </script>
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